1. Nair H, Nokes DJ, Gessner BD, et al. Global burden of acute
lower respiratory infections due to respiratory syncytial virus
in young children: a systematic review and meta-analysis.
Lancet. 2010;375(9725):1545–1555.
2. Berkley JA. Viral etiology of severe pneumonia among
Kenyan infants and children. JAMA. 2010;303(20):
2051–2057.
3. Zlateva KT, Vijgen L, Dekeersmaeker N, et al. Subgroup
prevalence and genotype circulation patterns of human
respiratory syncytial virus in Belgium during ten successive
epidemic seasons. J Clin Microbiol. 2007;45(9):3022–3030.
4. Waris M. Pattern of respiratory syncytial virus epidemics in
Finland: two-year cycles with alternating prevalence of
groups A and B. J Infect Dis. 1991;163(3):464–469.
5. Mlinaric-Galinovic G, Welliver R, Vilibic-Cavlek T, et al.
The biennial cycle of respiratory syncytial virus outbreaks in
Croatia. Virol J. 2008;5:18. (doi:10.1186/1743-422X-5-18).
6. Glezen WP, Taber LH, Frank AL, et al. Risk of primary
infection and reinfection with respiratory syncytial virus. Am
J Dis Child. 1986;140(6):543–546.
7. Henderson FW, Collier AM, Clyde WA, et al. Respiratorysyncytial-
virus infections, reinfections and immunity. N Engl
J Med. 1979;300(10):530–534.
8. Hall CB, Geiman JM, Biggar R, et al. Respiratory syncytial
virus infections within families. N Engl J Med. 1976;294(8):
414–419.
9. Chanock RM. Respiratory syncytial virus. J Am Med Assoc.
1961;176(8):647–667.
10. Nokes DJ, Okiro EA, Ngama M, et al. Respiratory syncytial
virus infection and disease in infants and young children
observed from birth in Kilifi District, Kenya. Clin Infect Dis.
2008;46(1):50–57.
11. Nokes DJ, Ngama M, Bett A, et al. Incidence and severity of
respiratory syncytial virus pneumonia in rural Kenyan
children identified through hospital surveillance. Clin Infect
Dis. 2009;49(9):1341–1349.
12. White LJ, Waris M, Cane PA, et al. The transmission
dynamics of groups A and B human respiratory syncytial virus (hRSV) in England & Wales and Finland: seasonality
and cross-protection. Epidemiol Infect. 2005;133(2):279–289.
13. Weber A, Weber M, Milligan P. Modeling epidemics caused
by respiratory syncytial virus (RSV). Math Biosci. 2001;
172(2):95–113.
14. White LJ, Mandl JN, Gomes MG, et al. Understanding the
transmission dynamics of respiratory syncytial virus using
multiple time series and nested models. Math Biosci.
2007;209(1):222–239.
15. Monto AS, Lim SK. The Tecumseh study of respiratory
illness. Am J Epidemiol. 1971;94(3):290–301.
16. Cox MJ, Azevedo RS, Cane PA, et al. Seroepidemiological
study of respiratory syncytial virus in Sao Paulo state, Brazil.
J Med Virol. 1998;55(3):234–239.
17. Fletcher JN, Smyth RL, Thomas HM, et al. Respiratory
syncytial virus genotypes and disease severity among children
in hospital. Arch Dis Child. 1997;77(6):508–511.
18. Ochola R, Sande C, Fegan G, et al. The level and duration of
RSV-specific maternal IgG in infants in Kilifi Kenya. PLoS
One. 2009;4(12):e8088. (doi:10.1371/journal.pone.0008088).
19. Nokes DJ, Okiro EA, Ngama M, et al. Respiratory syncytial
virus epidemiology in a birth cohort from Kilifi District,
Kenya: infection during the first year of life. J Infect Dis.
2004;190(10):1828–1832.
20. Okiro EA, Sande C, Mutunga M, et al. Identifying infections
with respiratory syncytial virus by using specific
immunoglobulin G (IgG) and IgA enzyme-linked
immunosorbent assays with oral-fluid samples. J Clin
Microbiol. 2008;46(5):1659–1662.
21. Murphy BR, Graham BS, Prince GA, et al. Serum and nasalwash
immunoglobulin G and A antibody response of infants
and children to respiratory syncytial virus F and G
glycoproteins following primary infection. J Clin Microbiol.
1986;23(6):1009–1014.
22. Welliver RC, Kaul TN, Putnam TI, et al. The antibody
response to primary and secondary infection with respiratory
syncytial virus: kinetics of class-specific responses. J Pediatr.
1980;96(5):808–813.
23. Okiro EA, Ngama M, Bett A, et al. Factors associated with
increased risk of progression to respiratory syncytial virusassociated
pneumonia in young Kenyan children. Trop Med
Int Health. 2008;13(7):914–926.
24. Okiro EA. Transmission Dynamics of Respiratory Syncytial
Virus Within the Household and in the Community
[dissertation]. Milton Keynes, United Kingdom: Open
University; 2007.
25. Ochola R. Passive and Acquired Immunity to Respiratory
Syncytial Virus in Young Children in Rural Kenya
[dissertation]. Milton Keynes, United Kingdom: Open
University; 2007.
26. Ministry of Finance and Planning. Analytical Report on
Population Projections. Vol. VIII. Nairobi, Kenya: Central
Bureau of Statistics, Government of Kenya; 2002.
27. Scott PD, Ochola R, Sande C, et al. Comparison of strainspecific
antibody responses during primary and secondary
infections with respiratory syncytial virus. J Med Virol.
2007;79(12):1943–1950.
28. Cane PA, Thomas HM, Simpson AF, et al. Analysis of the
human serological immune response to a variable region of
the attachment (G) protein of respiratory syncytial virus
during primary infection. J Med Virol. 1996;48(3):253–261.
29. Cox DR. Regression models and life-tables. J R Stat Soc Ser
B (Methodological). 1972;34(2):187–220.
30. Rogers WH. Regression standard errors in clustered samples.
Stata Tech Bull. 1993;13:19–23.
31. Moulton LH, Dibley MJ. Multivariate time-to-event models
for studies of recurrent childhood diseases. Int J Epidemiol.
1997;26(6):1334–1339.
32. 332.McIntosh K, Masters HB, Orr I, et al. The immunologic
response to infection with respiratory syncytial virus in
infants. J Infect Dis. 1978;138(1):24–32.
33. Murphy BR, Alling DW, Snyder MH, et al. Effect of age
and preexisting antibody on serum antibody response of
infants and children to the F and G glycoproteins during
respiratory syncytial virus infection. J Clin Microbiol. 1986;
24(5):894–898.
34. Brandenburg AH, Groen J, Steensel-Moll HA, et al.
Respiratory syncytial virus specific serum antibodies in
infants under six months of age: limited serological response
upon infection. J Med Virol. 1997;52(1):97–104.
35. Parrott RH, Kim HW, Arrobio JO, et al. Epidemiology of
respiratory syncytial virus infection in Washington, DC. Am
J Epidemiol. 1973;98(4):289–300.
36. Hall CB, Douglas RG Jr, Geiman JM. Respiratory syncytial
virus infections in infants: quantitation and duration of
shedding. J Pediatr. 1976;89(1):11–15.
37. Glezen WP. Effect of maternal antibodies on the infant
immune response. Vaccine. 2003;21(24):3389–3392.